Static and fatigue performance ofthick laminates test design and experimental compression results

Conference paper (2014)

Authors

F Lahuerta Knowledge Centre WMC

T. Westphal Knowledge Centre WMC

RPL Nijssen Knowledge Centre WMC

F.P. van der Meer Applied Mechanics -

Lambertus J. Sluys Applied Mechanics -

Research Group

Applied Mechanics () (TU Delft)

Fatigue Size effect FEM analyses Compression test UD

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Published Date

2014

Language

English

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Faculty

Civil Engineering & Geosciences

Department

Materials- Mechanics- Management & Design

Research Group

Applied Mechanics

Abstract

The aim of this work is to study the thickness effect in static and fatigue tests of glass-fibre unidirectional compression coupons. For this purpose, the self-heating effect, the effect of specimen geometry, and the influence of the manufacturing processes have been minimized. A scaled thickness compression coupon has been designed with the intention of reducing the influence of geometrical differences and of the manufacturing process as the thickness is scaled. In addition the self-heating effect was controlled by tuning the test frequency. The coupon design was based on a finite element analysis. The development of the manufacturing process and the design of the gripping configuration are reported in the present work. Experimental data from static and fatigue tests are reported for 4, 10 and 20 mm thick coupons where the static allowables, elastic modulus, Poisson ratios and the R=10 S-N curves are compared in order to evaluate the thickness effect.

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